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Make the actual return type of a function be the unqualified version of the type specified.

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This is a change that was introduced in C17. However, it actually keeps things closer to ORCA/C's historical behavior, which generally ignored qualifiers in return types.
This commit is contained in:
Stephen Heumann 2021-09-10 18:09:50 -05:00
parent af455d1900
commit 2614f10ced
2 changed files with 39 additions and 3 deletions
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6
Parser.pas
View File

@ -1620,7 +1620,7 @@ while typeStack <> nil do begin {reverse the type stack}
functionType: begin
while tPtr^.kind = definedType do
tPtr := tPtr^.dType;
tPtr2^.fType := tPtr;
tPtr2^.fType := Unqualify(tPtr);
if tPtr^.kind in [functionType,arrayType] then
Error(103);
end;
@ -3967,7 +3967,7 @@ var
{tp^.isPascal := false;}
{tp^.toolNum := 0;}
{tp^.dispatcher := 0;}
tp^.fType := tl;
tp^.fType := Unqualify(tl);
tl := tp;
NextToken;
end {if}
@ -4055,7 +4055,7 @@ var
{tp^.isPascal := false;}
{tp^.toolNum := 0;}
{tp^.dispatcher := 0;}
tp^.fType := tl;
tp^.fType := Unqualify(tl);
tl := tp;
end; {if}
end; {NonEmptyAbstractDeclarator}

36
Symbol.pas
View File

@ -170,6 +170,16 @@ function MakeQualifiedType (origType: typePtr; qualifiers: typeQualifierSet):
{ returns: pointer to the qualified type }
function Unqualify (tp: typePtr): typePtr;
{ returns the unqualified version of a type }
{ }
{ parameters: }
{ tp - the original type }
{ }
{ returns: pointer to the unqualified type }
function NewSymbol (name: stringPtr; itype: typePtr; class: tokenEnum;
space: spaceType; state: stateKind): identPtr;
@ -1645,6 +1655,32 @@ else
end; {MakeQualifiedType}
function Unqualify {tp: typePtr): typePtr};
{ returns the unqualified version of a type }
{ }
{ parameters: }
{ tp - the original type }
{ }
{ returns: pointer to the unqualified type }
var
tp2: typePtr; {unqualified type}
begin {Unqualify}
while tp^.kind = definedType do
tp := tp^.dType;
Unqualify := tp;
if tp^.qualifiers <> [] then
if not (tp^.kind in [structType,unionType]) then begin
tp2 := pointer(Malloc(sizeof(typeRecord)));
tp2^ := tp^;
tp2^.qualifiers := [];
Unqualify := tp2;
end;
end; {Unqualify}
function NewSymbol {name: stringPtr; itype: typePtr; class: tokenEnum;
space: spaceType; state: stateKind): identPtr};